the killing of a tsa agent at los angeles international airport is raising questions about the motives of the 23-year-old suspect, and also airport security. do tsa agents need to be armed? our justice correspondent pete williams will be here in a little while to give us an update and fresh report on all of that. but first, the obama care debate. the healthcare.gov was actually off site for repairs over the weekend. they said saturday the glitches are, quote, just at this present time of the iceberg. this week, as you might have remembered, the president traveled to boston to compare the rough start of obama care to what he called the slow start of the massachusetts health care plan. but he also praised his 2012 opponent mitt romney, who in 2006, as governor of massachusetts, signed that state's health care reform legislation into law. >> i've always believed that when he was governor here in massachusetts, he did the right thing on health care. if it was hard doing it just in one state, it's harder doing it in all 50 states. >> that is proving to be the case. and the 2012 republican p